死亡是唯一真正严肃的哲学问题。
君子的话虽然少，但却真实；小人的话虽然多，但却虚假。点评：东汉著名学者王符曾言「大人不华，君子务实。」
In our reasonings concerning matter of fact， there are all imaginable degrees of assurance， from the highest certainty to the lowest species of moral evidence.